Use a system of linear equations to solve the problem.Julie and Eric row their boat (at a constant speed) 16 miles downstream for 2 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 8 hours. Find the rate of the current.
A. 5 mph
B. 4 mph
C. 2.5 mph
D. 3 mph
Answer: D
Mathematics
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Use the MACRS depreciation rates table to find the recovery percent (rate), given the recovery year and recovery period.MACRS Depreciation Rates 
Recovery year:9Recovery period:20 years
A. 4.522% B. 3.637% C. 4.462% D. 4.461%
Mathematics
Solve the equation.|4x + 6| = 3
A. {
, 
}
B. {- 
, - 
}
C. {- 
, - 
}
D. no solution
Mathematics
Simplify.
? 
A. 
B. 6
C. 
D. 
Mathematics
Solve the problem.The average annual growth rate of Palmetto palms in inches satisfies the inequality 
What range of growth corresponds to this inequality?
A. [0.57, 8.31] B. [3.59, 4.72] C. [1.13, 16.62] D. [1.13, 8.31]
Mathematics